PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • For information about the caffeine content of various types of food, medicine and beverages, including tea, look to these resources from MayoClinic.com, the Center for Science in the Public Interest and Erowid???s Caffeine Vault.
http://www.w3.org/ns/prov#wasQuotedFrom
  • englishteastore.com